US 12,036,483 B2
Extraction apparatus and extraction method
Daisuke Sugifune, Hyogo (JP); Genki Yamashita, Hyogo (JP); Motohisa Hirata, Hyogo (JP); Takeshi Hiraki, Hyogo (JP); and Saishu Yasukawa, Hyogo (JP)
Assigned to IZUMI FOOD MACHINERY CO., LTD., Hyogo (JP)
Filed by IZUMI FOOD MACHINERY CO., LTD., Hyogo (JP)
Filed on Dec. 18, 2020, as Appl. No. 17/127,106.
Application 17/127,106 is a continuation of application No. PCT/JP2019/021558, filed on May 30, 2019.
Claims priority of application No. 2018-117348 (JP), filed on Jun. 20, 2018; and application No. 2019-059626 (JP), filed on Mar. 27, 2019.
Prior Publication US 2021/0101090 A1, Apr. 8, 2021
Int. Cl. B01D 11/02 (2006.01); A23F 5/26 (2006.01); A47J 31/36 (2006.01); A47J 31/52 (2006.01)
CPC B01D 11/0207 (2013.01) [A23F 5/26 (2013.01); A47J 31/36 (2013.01); A47J 31/525 (2018.08); B01D 11/0288 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An extraction apparatus comprising:
an accommodation chamber that accommodates an extraction raw material;
an inlet for causing a solvent to flow into the accommodation chamber;
a discharge port for discharging an extraction liquid from the extraction raw material from the accommodation chamber;
a placement unit provided above the discharge port, and on which the extraction raw material is placed; and
an exhaust unit provided below the placement unit and configured to exhaust gas outward of the accommodation chamber,
wherein the discharge port is provided below the inlet, and
the extraction apparatus further comprises:
a first valve that opens and closes the exhaust unit;
a dispensing pipe connected to the discharge port to dispense the extraction liquid:
a second valve that is provided in the dispensing pipe and that opens and closes a pipeline of the dispensing pipe;
a first detection unit that measures a pressure on an inlet line for dispensing gas into the accommodation chamber, and
a second detection unit that measures a pressure on a discharge port side and on an upstream side of the second valve.